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EP3720818A4 - RECOVERY OF SILVER - Google Patents

RECOVERY OF SILVER Download PDF

Info

Publication number
EP3720818A4
EP3720818A4 EP18886390.6A EP18886390A EP3720818A4 EP 3720818 A4 EP3720818 A4 EP 3720818A4 EP 18886390 A EP18886390 A EP 18886390A EP 3720818 A4 EP3720818 A4 EP 3720818A4
Authority
EP
European Patent Office
Prior art keywords
silver
recovery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP18886390.6A
Other languages
German (de)
French (fr)
Other versions
EP3720818A1 (en
Inventor
Andre Brosseau
Svitlana MOSKOVCHENKO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Greene Lyon Group Inc
Original Assignee
Greene Lyon Group Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Greene Lyon Group Inc filed Critical Greene Lyon Group Inc
Publication of EP3720818A1 publication Critical patent/EP3720818A1/en
Publication of EP3720818A4 publication Critical patent/EP3720818A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00Obtaining noble metals
    • C22B11/04Obtaining noble metals by wet processes
    • C22B11/042Recovery of noble metals from waste materials
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00Obtaining noble metals
    • C22B11/04Obtaining noble metals by wet processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/16Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2301/00Metallic composition of the powder or its coating
    • B22F2301/25Noble metals, i.e. Ag Au, Ir, Os, Pd, Pt, Rh, Ru
    • B22F2301/255Silver or gold
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP18886390.6A 2017-12-04 2018-12-04 RECOVERY OF SILVER Withdrawn EP3720818A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762594255P 2017-12-04 2017-12-04
PCT/US2018/063833 WO2019113059A1 (en) 2017-12-04 2018-12-04 Silver recovery

Publications (2)

Publication Number Publication Date
EP3720818A1 EP3720818A1 (en) 2020-10-14
EP3720818A4 true EP3720818A4 (en) 2021-08-25

Family

ID=66750611

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18886390.6A Withdrawn EP3720818A4 (en) 2017-12-04 2018-12-04 RECOVERY OF SILVER

Country Status (4)

Country Link
US (1) US20210198769A1 (en)
EP (1) EP3720818A4 (en)
CN (1) CN111556851A (en)
WO (1) WO2019113059A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090071292A1 (en) * 2007-09-19 2009-03-19 E. I. Du Pont De Nemours And Company Preparation of silver spheres by the reduction of silver polyamine complexes
US20100303876A1 (en) * 2007-08-31 2010-12-02 Metalor Technologies International Sa Method for preparing silver nanoparticles
US8636823B2 (en) * 2009-09-26 2014-01-28 Ames Advanced Materials Corporation Silver ribbons, methods of their making and applications thereof
US20150211090A1 (en) * 2012-08-31 2015-07-30 Corning Incorporated Low-Temperature Dispersion-Based Syntheses of Silver and Silver Products Produced Thereby
US20150266098A1 (en) * 2011-03-08 2015-09-24 E I Du Pont De Nemours And Company Process for making silver powder particles with very small size crystallites
CN107297510A (en) * 2016-04-15 2017-10-27 中国科学院理化技术研究所 Method for preparing nano-scale silver particle powder by reducing silver salt intermediate in grading manner

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0363552B1 (en) * 1988-07-27 1993-10-13 Tanaka Kikinzoku Kogyo K.K. Process for preparing metal particles
US7169543B2 (en) * 2004-12-29 2007-01-30 Eastman Kodak Company Blocked aliphatic thiol stabilizers for photothermographic materials
CN104884193B (en) * 2012-08-30 2017-03-08 康宁股份有限公司 Not solvent-laden silver synthesis and the silver-colored product thus prepared
DE112013004232T5 (en) * 2012-08-31 2015-08-20 Corning Incorporated Silver recovery process and silver products produced thereby

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100303876A1 (en) * 2007-08-31 2010-12-02 Metalor Technologies International Sa Method for preparing silver nanoparticles
US20090071292A1 (en) * 2007-09-19 2009-03-19 E. I. Du Pont De Nemours And Company Preparation of silver spheres by the reduction of silver polyamine complexes
US8636823B2 (en) * 2009-09-26 2014-01-28 Ames Advanced Materials Corporation Silver ribbons, methods of their making and applications thereof
US20150266098A1 (en) * 2011-03-08 2015-09-24 E I Du Pont De Nemours And Company Process for making silver powder particles with very small size crystallites
US20150211090A1 (en) * 2012-08-31 2015-07-30 Corning Incorporated Low-Temperature Dispersion-Based Syntheses of Silver and Silver Products Produced Thereby
CN107297510A (en) * 2016-04-15 2017-10-27 中国科学院理化技术研究所 Method for preparing nano-scale silver particle powder by reducing silver salt intermediate in grading manner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019113059A1 *

Also Published As

Publication number Publication date
EP3720818A1 (en) 2020-10-14
US20210198769A1 (en) 2021-07-01
WO2019113059A1 (en) 2019-06-13
CN111556851A (en) 2020-08-18

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